Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi
In this study, resistive humidity sensors were fabricated using ZnO-based nanocomposite films on top of ZnO-seed-layer-coated glass substrates. This study introduced different novel configurations of humidity sensors that were prepared using sol-gel immersion and sputtering method. Several approache...
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my-uitm-ir.830242024-02-07T00:25:07Z Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi 2019 Ismail@Rosdi, Ahmad Syakirin Composite materials. Graphene In this study, resistive humidity sensors were fabricated using ZnO-based nanocomposite films on top of ZnO-seed-layer-coated glass substrates. This study introduced different novel configurations of humidity sensors that were prepared using sol-gel immersion and sputtering method. Several approaches, such as doping and constructing composite films, were applied to improve the ZnO-based humidity sensors. The structural, optical, and electrical properties of the synthesized films were characterized via field-emission scanning electron microscopy, transmission electron microscopy, X-ray diffraction, atomic force microscopy, energy-dispersive X-ray spectroscopy, Raman spectroscopy, ultraviolet–visible–infrared spectrophotometry, and two-probe current-voltage measurement. The humidity sensing performances of the films were measured in a humidity chamber equipped with a measurement system. Results showed that the intrinsic ZnO nanorod arrays (NRAs) exhibited a humidity sensitivity of 1.53. The humidity sensing performance of the fabricated ZnO NRAs could be further enhanced to 3.7 by doping with 1 at.% of tin (Sn). A slight increment of humidity sensitivity of the Sn-doped ZnO (SZO) film was facilitated by the enlargement of surface area. 2019 Thesis https://ir.uitm.edu.my/id/eprint/83024/ https://ir.uitm.edu.my/id/eprint/83024/1/83024.pdf text en public phd doctoral Universiti Teknologi MARA (UiTM) Faculty of Electrical Engineering Mamat, Mohamad Hafiz |
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Mamat, Mohamad Hafiz |
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Composite materials. Graphene |
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Composite materials. Graphene Ismail@Rosdi, Ahmad Syakirin Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi |
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In this study, resistive humidity sensors were fabricated using ZnO-based nanocomposite films on top of ZnO-seed-layer-coated glass substrates. This study introduced different novel configurations of humidity sensors that were prepared using sol-gel immersion and sputtering method. Several approaches, such as doping and constructing composite films, were applied to improve the ZnO-based humidity sensors. The structural, optical, and electrical properties of the synthesized films were characterized via field-emission scanning electron microscopy, transmission electron microscopy, X-ray diffraction, atomic force microscopy, energy-dispersive X-ray spectroscopy, Raman spectroscopy, ultraviolet–visible–infrared spectrophotometry, and two-probe current-voltage measurement. The humidity sensing performances of the films were measured in a humidity chamber equipped with a measurement system. Results showed that the intrinsic ZnO nanorod arrays (NRAs) exhibited a humidity sensitivity of 1.53. The humidity sensing performance of the fabricated ZnO NRAs could be further enhanced to 3.7 by doping with 1 at.% of tin (Sn). A slight increment of humidity sensitivity of the Sn-doped ZnO (SZO) film was facilitated by the enlargement of surface area. |
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Thesis |
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Doctor of Philosophy (PhD.) |
qualification_level |
Doctorate |
author |
Ismail@Rosdi, Ahmad Syakirin |
author_facet |
Ismail@Rosdi, Ahmad Syakirin |
author_sort |
Ismail@Rosdi, Ahmad Syakirin |
title |
Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi |
title_short |
Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi |
title_full |
Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi |
title_fullStr |
Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi |
title_full_unstemmed |
Humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / Ahmad Syakirin Ismail @ Rosdi |
title_sort |
humidity sensing performance of aligned assembly tin-doped zinc oxide nanocomposited films via low temperature immersion method / ahmad syakirin ismail @ rosdi |
granting_institution |
Universiti Teknologi MARA (UiTM) |
granting_department |
Faculty of Electrical Engineering |
publishDate |
2019 |
url |
https://ir.uitm.edu.my/id/eprint/83024/1/83024.pdf |
_version_ |
1794191961346801664 |